Add 6/42 and 63/70
6/42 + 63/70 is 73/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
6/42 = 6 × 5/42 × 5 = 30/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
63/70 = 63 × 3/70 × 3 = 189/210 - Add the two like fractions:
30/210 + 189/210 = 30 + 189/210 = 219/210 - 219/210 simplified gives 73/70
- So, 6/42 + 63/70 = 73/70
In mixed form: 13/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/42+63/70 6/84+63/70 18/42+63/70 30/42+63/70